ID   KTHY_LACH4              Reviewed;         212 AA.
AC   A8YTF9;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 1.
DT   03-AUG-2022, entry version 74.
DE   RecName: Full=Thymidylate kinase {ECO:0000255|HAMAP-Rule:MF_00165};
DE            EC=2.7.4.9 {ECO:0000255|HAMAP-Rule:MF_00165};
DE   AltName: Full=dTMP kinase {ECO:0000255|HAMAP-Rule:MF_00165};
GN   Name=tmk {ECO:0000255|HAMAP-Rule:MF_00165}; OrderedLocusNames=lhv_0404;
OS   Lactobacillus helveticus (strain DPC 4571).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=405566;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DPC 4571;
RX   PubMed=17993529; DOI=10.1128/jb.01295-07;
RA   Callanan M., Kaleta P., O'Callaghan J., O'Sullivan O., Jordan K.,
RA   McAuliffe O., Sangrador-Vegas A., Slattery L., Fitzgerald G.F.,
RA   Beresford T., Ross R.P.;
RT   "Genome sequence of Lactobacillus helveticus: an organism distinguished by
RT   selective gene loss and IS element expansion.";
RL   J. Bacteriol. 190:727-735(2008).
CC   -!- FUNCTION: Phosphorylation of dTMP to form dTDP in both de novo and
CC       salvage pathways of dTTP synthesis. {ECO:0000255|HAMAP-Rule:MF_00165}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + dTMP = ADP + dTDP; Xref=Rhea:RHEA:13517,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58369, ChEBI:CHEBI:63528,
CC         ChEBI:CHEBI:456216; EC=2.7.4.9; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00165};
CC   -!- SIMILARITY: Belongs to the thymidylate kinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00165}.
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DR   EMBL; CP000517; ABX26615.1; -; Genomic_DNA.
DR   RefSeq; WP_003631536.1; NC_010080.1.
DR   AlphaFoldDB; A8YTF9; -.
DR   SMR; A8YTF9; -.
DR   STRING; 405566.lhv_0404; -.
DR   EnsemblBacteria; ABX26615; ABX26615; lhv_0404.
DR   GeneID; 66451658; -.
DR   KEGG; lhe:lhv_0404; -.
DR   eggNOG; COG0125; Bacteria.
DR   HOGENOM; CLU_049131_0_2_9; -.
DR   OMA; VMTREPG; -.
DR   Proteomes; UP000000790; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004798; F:thymidylate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006233; P:dTDP biosynthetic process; IEA:InterPro.
DR   GO; GO:0006235; P:dTTP biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00165; Thymidylate_kinase; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR039430; Thymidylate_kin-like_dom.
DR   InterPro; IPR018094; Thymidylate_kinase.
DR   Pfam; PF02223; Thymidylate_kin; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00041; DTMP_kinase; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Kinase; Nucleotide biosynthesis; Nucleotide-binding;
KW   Transferase.
FT   CHAIN           1..212
FT                   /note="Thymidylate kinase"
FT                   /id="PRO_1000071559"
FT   BINDING         10..17
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00165"
SQ   SEQUENCE   212 AA;  23821 MW;  062AD4B1FBD7AF00 CRC64;
     MRGYFVSFEG PDGAGKSTVL KEVLDQIGPK LKPQYLVTRE PGGSKIAEKI RDIILDPAND
     KMDAKTEALL YAAARSQHVE EIIRPALSEG KIVFSDRFVD SSLAYQGEGR DLGIEEVKQI
     NDFATGKLDP DLTFFLDIAP EIGLSRIQKL RPGQEDRLEQ ENIAFHKKVY NGFLKVKDLY
     PDRFVTIDAT QPIEDVVNQV IATLEKRLPE IF